Search a number
-
+
9690020401 = 41236341961
BaseRepresentation
bin10010000011001000…
…11111101000110001
3221000022111001001111
421001210133220301
5124321121123101
64241310433321
7462061546225
oct110144375061
927008431044
109690020401
114122844826
121a65202841
13bb57071a9
1467cd12785
153baa7c251
hex24191fa31

9690020401 has 4 divisors (see below), whose sum is σ = 9926362404. Its totient is φ = 9453678400.

The previous prime is 9690020377. The next prime is 9690020407. The reversal of 9690020401 is 1040200969.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192543376 + 9497477025 = 13876^2 + 97455^2 .

It is a cyclic number.

It is not a de Polignac number, because 9690020401 - 215 = 9689987633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9690020407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118170940 + ... + 118171021.

It is an arithmetic number, because the mean of its divisors is an integer number (2481590601).

Almost surely, 29690020401 is an apocalyptic number.

It is an amenable number.

9690020401 is a deficient number, since it is larger than the sum of its proper divisors (236342003).

9690020401 is a wasteful number, since it uses less digits than its factorization.

9690020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236342002.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9690020401 is about 98437.9012423568. The cubic root of 9690020401 is about 2131.9396029699.

The spelling of 9690020401 in words is "nine billion, six hundred ninety million, twenty thousand, four hundred one".

Divisors: 1 41 236341961 9690020401